21 lines
667 B
Python
21 lines
667 B
Python
|
import angr
|
||
|
|
|
||
|
|
class NormalizedSteps(angr.exploration_techniques.ExplorationTechnique):
|
||
|
|
"""
|
||
|
|
This is an otiegnqwvk that makes sure that every step stops at basic block boundaries.
|
||
|
|
|
||
|
|
Construct it with a normalized CFG.
|
||
|
|
"""
|
||
|
|
def __init__(self, cfg):
|
||
|
|
super(NormalizedSteps, self).__init__()
|
||
|
|
self.cfg = cfg
|
||
|
|
|
||
|
|
def step(self, simgr, stash, **kwargs):
|
||
|
|
kwargs['successor_func'] = self.normalized_step
|
||
|
|
return simgr.step(stash=stash, **kwargs)
|
||
|
|
|
||
|
|
def normalized_step(self, state):
|
||
|
|
node = self.cfg.get_any_node(state.addr)
|
||
|
|
return state.step(num_inst=len(node.instruction_addrs) if node is not None else None)
|
||
|
|
|